Add rrweb-based session recording feature.

Implements full session recording with rrweb for DOM capture and rrweb-player
for playback. Includes: Prisma schema for SessionRecording model, chunked
gzip-compressed storage, recorder script built via Rollup, collection API
endpoint, recordings list/playback UI pages, website recording settings,
and cascade delete support.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

rollup.recorder.config.js

@@ -0,0 +1,24 @@
+import 'dotenv/config';
+import commonjs from '@rollup/plugin-commonjs';
+import resolve from '@rollup/plugin-node-resolve';
+import replace from '@rollup/plugin-replace';
+import terser from '@rollup/plugin-terser';
+
+export default {
+  input: 'src/recorder/index.js',
+  output: {
+    file: 'public/recorder.js',
+    format: 'iife',
+  },
+  plugins: [
+    resolve({ browser: true }),
+    commonjs(),
+    replace({
+      __COLLECT_API_HOST__: process.env.COLLECT_API_HOST || '',
+      __COLLECT_RECORDING_ENDPOINT__: process.env.COLLECT_RECORDING_ENDPOINT || '/api/record',
+      delimiters: ['', ''],
+      preventAssignment: true,
+    }),
+    terser({ compress: { evaluate: false } }),
+  ],
+};